The meeting between the presidents of those two countries________in Paris last week.
| A．took apart | B．took action |
| C．took effect | D．took place |
There are over 58, 000 rocky objects in ________ space, about 900 of which could fall down onto________ earth.
| A．the; the | B．不填; the | C．the; 不填 | D．a; the |
Although the novel isn’t popular among adults, it ______ the youth, especially boys.
| A．refers to | B．appeals to |
| C．results in | D．deals with |
The experts were doing their experiment in the lab, ______ what happened outside.
| A．didn’t know | B．not knew |
| C．not knowing | D．having not known |
In my opinion, a true friend is the one who always ______ when you are depressed.
| A．puts you up | B．gives you up |
| C．picks you up | D．cheers you up |
–There are only two days to go way from my test. I’m so ______ about it!
-- Take it easy. Good luck!
| A．serious | B．curious |
| C．cautious | D．nervous |